<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 、卡片视图区 -->
        <el-card>
            <!-- 搜索区 -->
            <el-row :gutter="20">
                <el-col :span="7">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <el-table :data="userlist" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="姓名" prop="username" width="180"></el-table-column>
                <el-table-column label="邮箱" prop="email" width="180"></el-table-column>
                <el-table-column label="电话" prop="mobile" width="180"></el-table-column>
                <el-table-column label="角色" prop="role_name" width="180"></el-table-column>
                <el-table-column label="状态" width="180">
                    <!-- 通过作用域插槽接收了当前作用域的数据为scope -->
                    <template slot-scope="scope">
                        <!-- {{ scope.row }} -->
                        <el-switch v-model="scope.row.mg_state" @change="userStageChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180">
                    <template slot-scope="scope">
                        <!-- 修改 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)">
                        </el-button>
                        <!-- 删除 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                            @click="removeUserById(scope.row.id)"></el-button>
                        <!-- 分配角色 -->
                        <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini"
                                @click="showSetRightDialog(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 3, 5, 10]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>

        <!-- 添加用户对话框 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="30%" @close="addDialogClosed">
            <!-- 内容主题区域 -->
            <el-form ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="70px">
                <!-- 添加数据 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>

        <!-- 添加修改信息对话框 -->
        <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="addDialogClosed">
            <el-form ref="addFormRef" :model="editForm" :rules="addFormRules" label-width="70px">
                <!-- 添加数据 -->
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="rightsDilogVisible" width="50%" @close="RolesDialogClosed">
            <div>
                <p>当前的用户:{{ userInfo.username }}</p>
                <p>当前的角色:{{ userInfo.role_name }}</p>
                <p>分配新角色:
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in roleslist" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="rightsDilogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addRolesId">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>

export default {
    data() {
        // 验证邮箱的规则
        const checkEmail = (rule, value, callback) => {
            const regEmail = /^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.[a-zA-Z0-9]{2,6}$/

            if (regEmail.test(value)) {
                return callback()
            }
            callback(new Error("请输入合法的邮箱"))
        }

        // 验证手机号的规则
        const checkMobile = (rule, value, callback) => {
            const regMobile = /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/

            if (regMobile.test(value)) {
                return callback()
            }
            callback(new Error("请输入合法的手机号"))

        }
        return {
            // 获取用户列表的参数对象
            queryInfo: {
                query: "",
                // 当前的页数
                pagenum: 1,
                // 当前每页显示多少条数据
                pagesize: 5,
            },
            // 用户列表数据数组 总数据条数
            userlist: [],
            total: 0,
            // 控制添加界面的显示和隐藏
            addDialogVisible: false,
            // 控制修改用户信息的显示和隐藏
            editDialogVisible: false,
            // 控制分配角色对话框的弹出
            rightsDilogVisible: false,
            // 需要被分配的用户信息
            userInfo: {},
            // 添加用户的表单数据,

            addForm: {
                username: '张三李四',
                email: '',
                password: '',
                mobile: '',

            },
            // 添加表单的验证规则对象
            addFormRules: {
                // 验证用户名是否合法
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                // 验证密码
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ],
                //验证邮箱
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    // { min: 10, max: 18, message: '长度在 10 到 18 个字符', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                // 验证手机
                mobile: [
                    { required: true, message: '请输入手机号', trigger: 'blur' },
                    { min: 7, max: 11, message: '长度在 7 到 11 个字符', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ],

            },
            // 查询到的用户信息
            editForm: {},
            // 所有角色列表数据
            roleslist: [],
            // 已选中的角色id
            selectedRoleId:''

        };
    },
    created() {
        this.getUserList();
    },
    methods: {
        async getUserList() {
            const { data: res } = await this.$http.get("users", {
                params: this.queryInfo,
            });
            if (res.meta.status !== 200) {
                return this.$message.error("获取用户列表失败");
            }
            this.userlist = res.data.users;
            this.total = res.data.total;
            // console.log(res);
        },
        // 监听pageSize 改变事件
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize;
            this.getUserList();
        },
        // 监听 页码值 改变事件
        handleCurrentChange(newPage) {
            // console.log(newPage);
            this.queryInfo.pagenum = newPage;
            this.getUserList();
        },
        async userStageChanged(userInfo) {
            // console.log(userInfo);
            const { data: res } = await this.$http.put(
                `users/${userInfo.id}/state/${userInfo.mg_state}`
            );
            if (res.meta.status !== 200) {
                userInfo.mg_state = !userInfo.mg_state;
                return this.$message.error("更新用户状态失败");
            }
            this.$message.success("更新用户状态成功");
            // console.log(res);
        },
        // 监听 添加用户对话框关闭的事件,
        addDialogClosed() {
            this.$refs.addFormRef.resetFields()
        },
        // 添加用户按钮，预验证
        addUser() {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
                // 可以发起网络请求
                const { data: res } = await this.$http.post('users', this.addForm)
                if (res.meta.status !== 201) {
                    this.$message.error("失败")
                }
                this.$message.success("添加用户成功")
                // 添加用户对话框隐藏
                this.addDialogVisible = false
                this.getUserList() //重新调用获取数据，刷新

            })
        },
        async showEditDialog(id) {
            const { data: res } = await this.$http.get("users/" + id)
            if (res.meta.status !== 200) {
                this.$message.error("查询失败")
            }
            this.editForm = res.data
            this.editDialogVisible = true
            // console.log();
        },
        // 修改用户信息并提交
        editUserInfo() {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
                // 可以发起网络请求
                const { data: res } = await this.$http.put('users/' + this.editForm.id, {
                    email: this.editForm.email,
                    mobile: this.editForm.mobile,
                })
                // console.log(res);

                if (res.meta.status !== 200) {
                    this.$message.error("更新用户信息失败")
                }
                // 关闭对话框
                this.editDialogVisible = false

                //重新调用获取数据，刷新
                this.getUserList()

                // 提示添加用户信息成功
                this.$message.success("更新用户信息成功")

            })
        },
        // 删除用户信息
        async removeUserById(id) {
            const confirResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)

            if (confirResult !== 'confirm') {
                return this.$message.info("已取消删除")
            }
            const { data: res } = await this.$http.delete("users/" + id)
            console.log(res);
            if (res.meta.status !== 200) {

                this.$message.error("删除用户信息失败")
            }

            this.$message.success("删除用户信息成功")
            // 刷新数据列表
            this.getUserList()
        },
        async showSetRightDialog(role) {
            this.userInfo = role
            // 在展示时先获取到所有的角色列表
            const { data: res } = await this.$http.get("roles")
            if (res.meta.status !== 200) {
                return this.$message.error("获取角色列表数据失败")
            }
            // this.$message.success("获取角色列表数据成功")
            this.roleslist = res.data
            this.rightsDilogVisible = true
            // console.log(this.roleslist);

        },
        // 点击确定按钮将id给到数据库中
        async addRolesId(){
            if(!this.selectedRoleId){
                return this.$message.error("请选择需要分配的角色")
            }

            const{data:res}= await this.$http.put(`users/${this.userInfo.id}/role`,{
                rid:this.selectedRoleId
            })
            // console.log(res);
            if(res.meta.status !== 200){
                return this.$message.error("更新角色失败")
            }
            this.$message.success("更新角色成功")
            // 刷新页面数据
            this.getUserList()
            // 隐藏对话框
            this.rightsDilogVisible =false
        },
        // 监听分配角色对话框关闭事件
        RolesDialogClosed(){
            this.selectedRoleId=''
            this.userInfo = {}
        }
    },
};
</script>

<style>
</style>
